Someone's stealing the squirrel's nuts, and it's up to Detective Gordon to catch the thief.

Unfortunately, solving this crime means standing in the snow and waiting for a long time... If only he had an assistant—someone small, fast, and clever—to help solve this terrible case. Then Detective Gordon would be able to go back to doing what he's best at: thinking, eating cakes, drinking tea, and stamping important papers.

From the dust jacket